package io;

import java.io.*;

/**
 *
 * 加工处理来完成。
 */
public class BOSDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("ppt.pptx");
        BufferedInputStream bis=new BufferedInputStream(fis);

        FileOutputStream fos=new FileOutputStream("ppt_cp.pptx");
        BufferedOutputStream bos=new BufferedOutputStream(fos);

        int d;
        long start=System.currentTimeMillis();
        while ((d=bis.read())!=-1){
            bos.write(d);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕，耗时:"+(end-start)+"ms");

        bis.close();
        bos.close();
    }
}
